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Cognitive psychology and self-reports: models and methods.
1Behavioral Medicine Scientific Research Group, National Heart, Lung, and Blood Institute, Bethesda, MD 20892-7936, USA. jobej@nhlbi.gov
Summary
This study details cognitive models and methods for improving self-report questionnaires by evaluating respondent comprehension and answer generation. These techniques enhance survey instrument accuracy and data quality.
Area of Science:
- Cognitive Psychology
- Survey Methodology
- Human-Computer Interaction
Background:
- Questionnaire design significantly impacts data quality.
- Understanding cognitive processes in survey response is crucial for accurate self-report instruments.
- Existing methods for evaluating cognitive issues in surveys require systematic description and application.
Purpose of the Study:
- To describe cognitive models and methods for evaluating and improving questionnaire design.
- To assess the cognitive processes involved in respondent comprehension and answer generation for self-report questions.
- To provide examples of applying these methods to identify and resolve cognitive self-report issues.
Main Methods:
- Non-experimental methods: expert cognitive review, cognitive task analysis, focus groups, cognitive interviews.
- Experimental methods: cognitive laboratory experiments, field tests, and embedded field survey experiments.
- Detailed examples of designing and conducting experiments to test respondent capabilities and questionnaire effectiveness.
Main Results:
- Non-experimental methods effectively identified cognitive self-report issues.
- Laboratory experiments demonstrated how to test respondent cognitive task performance.
- Field experiments showed successful testing of cognitively designed versus original questionnaires.
Conclusions:
- Cognitive models and methods are essential for rigorous evaluation and improvement of self-report instruments.
- Both non-experimental and experimental approaches provide valuable insights into questionnaire design.
- Applying these cognitive approaches enhances the accuracy and reliability of survey data.